Equipment unit · VIN-decoded · NHTSA vPIC

1994 Kenworth W900

1XKWP4EX2RR310912 · Truck-Tractor · TRUCK
W900
Carriers run under1
16 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJun 14, 2024
IN
Last seenOct 14, 2025
OH
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKWP4EX2RR310912
Make
Kenworth
Model
W900
Model year
1994
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Sep 3, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WP4EX

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1994 or 2024

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
310912

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
KENWORTH

Prefix basis · 209 decoded VINs at 91.9% prefix purity.

Model
W9 Series

Prefix basis · 209 decoded VINs at 91.9% prefix purity.

Model line
W900

Sourced label · prefix basis 209 decoded VINs at 91.9% prefix purity.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
1994

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
W900

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 14, 2024 – Oct 14, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 14, 2025OHIII · Driver-only0MILLER BROS CONST INC 103659PWW9964/OH
Jun 14, 2024INII · Walk-around0MILLER BROS CONST INC 103659PWW9964/OH
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MILLER BROS CONST INC103659Jun 14, 2024Oct 14, 20252OH
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
PWW9964OHMILLER BROS CONST INCJun 14, 2024Oct 14, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 3, 2026